National Register of Historic Places
Longyear, E. J., First Diamond Drill Site
Hoyt Lake, St. Louis County, Minnesota
The record
- Listed
- July 20, 1977
- Type
- Structure
- Address
- Off Co. Hwy. 110, Hoyt Lake
- County
- St. Louis
- State
- Minnesota
- Period of significance
- 1875 to 1899
- Contributing resources
- 1 structure
- Coordinates
- 47.55690, -92.11786
- Reference number
- 77001526